Oconomowoc Lake leans Republican by roughly 26 points: about 37% of voters vote Democratic and 63% Republican.
About 95% of adults in Oconomowoc Lake typically vote, above the U.S. average of about 62%. Among adults in Oconomowoc Lake, ~35% vote Democratic, ~60% Republican, and ~5% don't vote. The map below shows estimated turnout by block group.
How Oconomowoc Lake compares
Among cities within 25 miles, Oconomowoc Lake leans more Republican than 31 of 93 neighbors.
Oconomowoc Lake runs about 25 points more Republican than Wisconsin as a whole.
Politics vary noticeably by neighborhood within Oconomowoc Lake. The east side is the most Republican-leaning (R+34) and the southwest side is the least Republican-leaning (R+14), a spread of about 21 points.
Why Oconomowoc Lake leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Oconomowoc Lake, not a ranked or complete list of what matters most.
Oconomowoc Lake votes Republican even though it is densely developed (about 53%, well above the Wisconsin average of 24%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 82% of households in Oconomowoc Lake are family households, above 93% of cities.
Food insecurity and voter turnout
Places with low food insecurity tend to turn out at a higher rate; Oconomowoc Lake, WI sits in the bottom tenth nationally on this measure. Food insecurity does not directly drive turnout; it reflects economic hardship, which lines up with lower voting.
Why turnout in Oconomowoc Lake looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Oconomowoc Lake is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 75%, about 15 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in Oconomowoc Lake have completed high school, above 95% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Okauchee, WI R+17
- Oconomowoc, WI R+22
- Okauchee Lake, WI R+17
- Nashotah, WI R+19
- Summit Corners, WI R+33
- Lac La Belle, WI R+25
- Chenequa, WI R+28
- Delafield, WI R+17
- Mapleton, WI R+41
Cities with Similar Populations
- Unionville Center, OH R+47
- Clarington, OH R+63
- Glorieta, NM D+37
- Hampden-Sydney, VA D+18
- Dellroy, OH R+56
- Newburg, WV R+66
- Houlka, MS R+47
- Burgin, KY R+56
- Geronimo, TX R+62
- Dorset, MN R+29
Sources and methodology
Precinct-level voting records used to fit the model come from Wisconsin Elections Commission, distributed by the Voting and Election Science Team. Demographic inputs come from the U.S. Census Bureau (ACS 5-year estimates and the 2020 Decennial Census). Health and environmental inputs come from the CDC (PLACES and the Environmental Justice Index). Land cover comes from the USGS and EPA. Election-day and lead-up weather come from PRISM 4km daily grids and the NOAA Global Historical Climatology Network. Mail-voting and election-administration patterns come from the MIT Election Lab's Survey of the Performance of American Elections. Block-group crime detail comes from CrimeGrade. Internet data and modeling support provided by ISPreports.org.
Modeling and analysis by the BestNeighborhood data science team. Full methodology and findings: political spectrum map.
Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.